private static ArrayRecord<?> getArrayRecord(
Configuration configuration, Array array, Class<? extends ArrayRecord<?>> type)
throws SQLException {
if (array == null) {
return null;
} else {
// TODO: [#523] Use array record meta data instead
ArrayRecord<?> record = Util.newArrayRecord(type, configuration);
record.set(array);
return record;
}
}
/**
* Create a UDT record from a PGobject
*
* <p>Unfortunately, this feature is very poorly documented and true UDT support by the PostGreSQL
* JDBC driver has been postponed for a long time.
*
* @param object An object of type PGobject. The actual argument type cannot be expressed in the
* method signature, as no explicit dependency to postgres logic is desired
* @return The converted {@link UDTRecord}
*/
private static UDTRecord<?> pgNewUDTRecord(Class<?> type, Object object) throws SQLException {
if (object == null) {
return null;
}
@SuppressWarnings({"unchecked", "rawtypes"})
UDTRecord<?> record = (UDTRecord<?>) Util.newRecord((Class) type);
List<String> values = PostgresUtils.toPGObject(object.toString());
List<Field<?>> fields = record.getFields();
for (int i = 0; i < fields.size(); i++) {
pgSetValue(record, fields.get(i), values.get(i));
}
return record;
}
@SuppressWarnings("unchecked")
public static <T> T getFromSQLInput(Configuration configuration, SQLInput stream, Field<T> field)
throws SQLException {
Class<? extends T> type = field.getType();
DataType<T> dataType = field.getDataType();
if (type == Blob.class) {
return (T) stream.readBlob();
} else if (type == Boolean.class) {
return (T) checkWasNull(stream, Boolean.valueOf(stream.readBoolean()));
} else if (type == BigInteger.class) {
BigDecimal result = stream.readBigDecimal();
return (T) (result == null ? null : result.toBigInteger());
} else if (type == BigDecimal.class) {
return (T) stream.readBigDecimal();
} else if (type == Byte.class) {
return (T) checkWasNull(stream, Byte.valueOf(stream.readByte()));
} else if (type == byte[].class) {
// [#1327] Oracle cannot deserialise BLOBs as byte[] from SQLInput
if (dataType.isLob()) {
Blob blob = null;
try {
blob = stream.readBlob();
return (T) (blob == null ? null : blob.getBytes(1, (int) blob.length()));
} finally {
Util.safeFree(blob);
}
} else {
return (T) stream.readBytes();
}
} else if (type == Clob.class) {
return (T) stream.readClob();
} else if (type == Date.class) {
return (T) stream.readDate();
} else if (type == Double.class) {
return (T) checkWasNull(stream, Double.valueOf(stream.readDouble()));
} else if (type == Float.class) {
return (T) checkWasNull(stream, Float.valueOf(stream.readFloat()));
} else if (type == Integer.class) {
return (T) checkWasNull(stream, Integer.valueOf(stream.readInt()));
} else if (type == Long.class) {
return (T) checkWasNull(stream, Long.valueOf(stream.readLong()));
} else if (type == Short.class) {
return (T) checkWasNull(stream, Short.valueOf(stream.readShort()));
} else if (type == String.class) {
return (T) stream.readString();
} else if (type == Time.class) {
return (T) stream.readTime();
} else if (type == Timestamp.class) {
return (T) stream.readTimestamp();
} else if (type == YearToMonth.class) {
String string = stream.readString();
return (T) (string == null ? null : YearToMonth.valueOf(string));
} else if (type == DayToSecond.class) {
String string = stream.readString();
return (T) (string == null ? null : DayToSecond.valueOf(string));
} else if (type == UByte.class) {
String string = stream.readString();
return (T) (string == null ? null : UByte.valueOf(string));
} else if (type == UShort.class) {
String string = stream.readString();
return (T) (string == null ? null : UShort.valueOf(string));
} else if (type == UInteger.class) {
String string = stream.readString();
return (T) (string == null ? null : UInteger.valueOf(string));
} else if (type == ULong.class) {
String string = stream.readString();
return (T) (string == null ? null : ULong.valueOf(string));
}
// The type byte[] is handled earlier. byte[][] can be handled here
else if (type.isArray()) {
Array result = stream.readArray();
return (T) (result == null ? null : result.getArray());
} else if (ArrayRecord.class.isAssignableFrom(type)) {
return (T)
getArrayRecord(configuration, stream.readArray(), (Class<? extends ArrayRecord<?>>) type);
} else if (EnumType.class.isAssignableFrom(type)) {
return getEnumType(type, stream.readString());
} else if (MasterDataType.class.isAssignableFrom(type)) {
return (T) getMasterDataType(type, stream.readObject());
} else if (UDTRecord.class.isAssignableFrom(type)) {
return (T) stream.readObject();
} else {
return (T) stream.readObject();
}
}